20860770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:664

約数の個数: 96

約数和(自身を含む): 60870528

約数和(自身を除く): 40009758

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 49, 69, 70, 98, 105, 115, 138, 147, 161, 210, 230, 245, 294, 322, 345, 483, 490, 617, 690, 735, 805, 966, 1127, 1234, 1470, 1610, 1851, 2254, 2415, 3085, 3381, 3702, 4319, 4830, 5635, 6170, 6762, 8638, 9255, 11270, 12957, 14191, 16905, 18510, 21595, 25914, 28382, 30233, 33810, 42573, 43190, 60466, 64785, 70955, 85146, 90699, 99337, 129570, 141910, 151165, 181398, 198674, 212865, 298011, 302330, 425730, 453495, 496685, 596022, 695359, 906990, 993370, 1390718, 1490055, 2086077, 2980110, 3476795, 4172154, 6953590, 10430385, 20860770]

約数ペア:

[(1, 20860770), (2, 10430385), (3, 6953590), (5, 4172154), (6, 3476795), (7, 2980110), (10, 2086077), (14, 1490055), (15, 1390718), (21, 993370), (23, 906990), (30, 695359), (35, 596022), (42, 496685), (46, 453495), (49, 425730), (69, 302330), (70, 298011), (98, 212865), (105, 198674), (115, 181398), (138, 151165), (147, 141910), (161, 129570), (210, 99337), (230, 90699), (245, 85146), (294, 70955), (322, 64785), (345, 60466), (483, 43190), (490, 42573), (617, 33810), (690, 30233), (735, 28382), (805, 25914), (966, 21595), (1127, 18510), (1234, 16905), (1470, 14191), (1610, 12957), (1851, 11270), (2254, 9255), (2415, 8638), (3085, 6762), (3381, 6170), (3702, 5635), (4319, 4830)]